* {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased
}

body,
html {
    width: 100%;
    height: 100%
}

body {
    position: relative;
    background: radial-gradient(#666, #222);
}

.back {
    width: 100%;
    height: 100%;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.box {
    width: 820px;
    height: 485px;
    margin: auto;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

.conent {
    border-radius: 5px;
    background-color: rgba(0, 0, 0, 0.5);
    height: 370px;
}

.header {
    height: 100px;
    margin-bottom: 15px;
    text-align: center;
}

.title {
    color: #fff;
    text-align: center;
    text-decoration: none;
    font: 60px Arial, "comic sans ms";
    line-height: 65px;
    margin: 10px auto;
}

.sub {}

.banner {
    width: 60%;
    height: 370px;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
    float: left;
}

.player {
    background-color: transparent;
    display: block;
    top: 0;
    height: 100%;
    width: 110%;
}

.main {
    width: 40%;
    height: 370px;
    float: right;
    -webkit-transition: -webkit-transform .8s;
    transition: transform .8s;
    -webkit-transition-timing-function: cubic-bezier(.68, -.55, .265, 1.55);
    transition-timing-function: cubic-bezier(.68, -.55, .265, 1.55);
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d
}

.form_swap-link {
    position: absolute;
    float: right;
    margin: -45px -15px;
    width: 50px;
    height: 30px;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
    background: #ff006b;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
    color: #fff;
    text-align: center;
    text-decoration: none;
    font: 15px Arial, "微软雅黑";
    line-height: 30px;
}

.form_swap-link:active {
    animation: myfirst 1s
}

@keyframes myfirst {
    0% {
        font-size: 10px
    }
    50% {
        font-size: 20px
    }
}

.main.form-card-flipped {
    -webkit-transform: rotateX(-180deg);
    transform: rotateX(-180deg)
}

.form-card_front:before {
    content: "会员登录"
}

.form-card_back:before,
.form-card_front:before {
    display: block;
    margin-top: 20px;
    width: 300px;
    color: #222;
    text-align: center;
    font: 21px Arial, "微软雅黑"
}

.form-card_back:before {
    content: "快速注册"
}

.form-card_back,
.form-card_front {
    position: absolute;
    display: block;
    padding: 0 15px;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    height: 370px;
    background: #f5f5f5;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden
}

.form-card_back {
    -webkit-transform: rotateX(180deg);
    transform: rotateX(180deg)
}

.code {
    float: right;
    margin: 0px -20px;
}

.remeber {
    float: left;
    padding: 0px;
    margin: -10px 0 0 0;
}

.forget {
    float: right;
    margin: 0;
}

.footer {
    padding: 30px 0;
    line-height: 30px;
    text-align: center;
    color: #666;
    font-weight: 300;
    margin: auto;
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    color: #bdbdbd;
}

.footer a {
    padding: 0 5px;
    color: #00a7ff;
}